Řešení duplicity při synchronizaci AD s Azure AD

$AD_Username = "uzivatelske.jmeno";
$DELETE_UPN = "uzivatelske.jmeno@domena.cz";
$Azure_UPN = "email@domena.cz";

$guid = (get-Aduser $AD_Username).ObjectGuid
$immutableID = [System.Convert]::ToBase64String($guid.tobytearray())
Install-Module MSOnline
Import-Module MSOnline
Connect-MSOLService
$DELETE_UPN

Get-MsolUser -UserPrincipalName $DELETE_UPN | Remove-MsolUser
Remove-MSOLuser -UserPrincipalName $DELETE_UPN -RemoveFromRecycleBin
Set-MSOLuser -UserPrincipalName $Azure_UPN -ImmutableID $immutableID
Start-ADSyncSyncCycle -PolicyType Delta